OpenTechnical

OT-2026-000009400

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000009400) never changes.

Identity and time

Publication numberOT-2026-000009400 · never reused
Internal UUID01a0ae6b-7561-74d7-805c-f4fa2a5a1880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009400
StatusPUBLIC

Content hashes

Canonical textaf7637c93b99bcd15219390e06b027cb20b2c05bf54ca420025aec13e6c3eb23
Markdown285d79a02f35538d268d6b6155feeb0eef4695663e0f97d6dba8197a95e2f06d
PDF
Publication page21f75b3dd0680c1e6139b7251bf81759a13a6b123a27a02f17290d2e1e169ce9
Manifestbfb61cc4c36d1e06d82779174bc10c69d78ab7b90e583b875aedced50458c6ed

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7Hdl2bY2v/Jt/kesiEv6UyYGslAcDK46FyGZa34gSB1AiKzT1ARGTUTR4Wzgh/M10CLXj3VGxO3hljEKARvaCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:40.734431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009400
observed 21f75b3dd0680c1e6139b7251bf81759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.716062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009400/manifest.json
observed bfb61cc4c36d1e06d82779174bc10c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.698062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009400/publication.md
observed 285d79a02f35538d268d6b6155feeb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.678662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009400/publication.txt
observed af7637c93b99bcd15219390e06b027cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.